Feature: 1. Modern process manufacturing.2. Made of high-quality aluminum alloy, and it can endure high temperatures for a long time.3. Select high-altitude pollution-free raw materials.4. Further extraction on the basis of liquid perfume, the purity of the perfume is very high.5. Reduce the odor in the air, purify the air in the car, keep the air fresh,and has a lasting fragrance.Easy to install and use.